Error estimations of 3D digital image correlation measurements

Thomas Becker; Karsten Splitthof; Thorsten Siebert; Peter Kletting

doi:10.1117/12.695277

15 September 2006 Error estimations of 3D digital image correlation measurements

Thomas Becker, Karsten Splitthof, Thorsten Siebert, Peter Kletting

Proceedings Volume 6341, Speckle06: Speckles, From Grains to Flowers; 63410F (2006) https://doi.org/10.1117/12.695277
Event: Speckle06: Speckles, From Grains to Flowers, 2006, Nimes, France

Abstract

Systematical errors of digital image correlation (DIC) measurements build a limiting factor for the accuracy of the resulting quantities. A major source for introducing systematical errors is the system calibration. We present a 3D digital image correlation system, which provides error information not only of diverse error sources but even more the propagation of errors throughout the calculations to the resulting contours, displacements and strains. On the basis of this system we discuss error sources, error propagation and the impact on correlation results. Performance tests for studying the impact of calibration errors on the resulting data are shown.

Citation Download Citation

Thomas Becker, Karsten Splitthof, Thorsten Siebert, and Peter Kletting "Error estimations of 3D digital image correlation measurements", Proc. SPIE 6341, Speckle06: Speckles, From Grains to Flowers, 63410F (15 September 2006); https://doi.org/10.1117/12.695277

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